package com._520it._06_many2many.mapper;

import com._520it._06_many2many.domain.Student;
import com._520it._06_many2many.domain.Teacher;
import org.apache.ibatis.annotations.Param;

import java.util.List;


public interface StudentMapper {

    void save(Student student);

   Student selectStuById(Long  stuId);

   Student get3(Long stuId);
   List<Student> list3();


}
